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    • 53. 发明授权
    • Method of generating cartilage
    • 产生软骨的方法
    • US06719970B1
    • 2004-04-13
    • US09612744
    • 2000-07-10
    • Henry R. CostantinoLawrence J. BonassarMark A. Tracy
    • Henry R. CostantinoLawrence J. BonassarMark A. Tracy
    • C12N506
    • A61K35/32A61K35/30A61K35/39C12N5/0655C12N2531/00C12N2533/40
    • The invention relates to an improved method for administering live cells to a patient and compositions useful in the method. The composition comprises live cells and biocompatible, biodegradable polymer microparticles. The cells and microparticles of the cell/microparticle composition can be contacted immediately prior to administration, or can be contacted in culture for a specified period of time prior to administration. In the method of the invention, an effective amount of the cell/microparticle composition is administered to a patient in need thereof by injection to a treatment site of the patient to provide a therapeutic effect in the patient. The therapeutic effect can be, for example, the formation of new tissue at the treatment site, or the production and secretion of a biologically active secretory molecule at the treatment site. The composition comprising lives cells and biocompatible, biodegradable polymer microparticles can further comprise a biologically active agent. In a preferred embodiment, the biologically active agent is incorporated into the microparticle. The biologically active agent can be, for example, factors which modulate cell growth.
    • 本发明涉及向患者施用活细胞的改进方法和用于该方法的组合物。 该组合物包含活细胞和生物相容的可生物降解的聚合物微粒。 细胞/微粒组合物的细胞和微粒可以在给药前立即接触,或者可以在施用之前在培养中接触指定的时间段。 在本发明的方法中,将有效量的细胞/微粒组合物通过注射给患者的治疗部位给予有需要的患者,以在患者体内提供治疗效果。 治疗效果可以是例如在治疗部位形成新组织,或者在治疗部位生产和分泌生物活性分泌分子。 包含生命细胞和生物相容的可生物降解的聚合物微粒的组合物可进一步包含生物活性剂。 在优选的实施方案中,将生物活性剂掺入微粒中。 生物活性剂可以是例如调节细胞生长的因子。